<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <title>消息盒子</title>

  <link rel="stylesheet" href="../../../layui.css?v=1">
  <style>
    .layim-msgbox {
      margin: 15px;
    }

    .layim-msgbox li {
      position: relative;
      margin-bottom: 10px;
      padding: 0 130px 10px 60px;
      padding-bottom: 10px;
      line-height: 22px;
      border-bottom: 1px dotted #e2e2e2;
    }

    .layim-msgbox .layim-msgbox-tips {
      margin: 0;
      padding: 10px 0;
      border: none;
      text-align: center;
      color: #999;
    }

    .layim-msgbox .layim-msgbox-system {
      padding: 0 10px 10px 10px;
    }

    .layim-msgbox li p span {
      padding-left: 5px;
      color: #999;
    }

    .layim-msgbox li p em {
      font-style: normal;
      color: #FF5722;
    }

    .layim-msgbox-avatar {
      position: absolute;
      left: 0;
      top: 0;
      width: 50px;
      height: 50px;
    }

    .layim-msgbox-user {
      padding-top: 5px;
    }

    .layim-msgbox-content {
      margin-top: 3px;
    }

    .layim-msgbox .layui-btn-small {
      padding: 0 15px;
      margin-left: 5px;
    }

    .layim-msgbox-btn {
      position: absolute;
      right: 0;
      top: 12px;
      color: #999;
    }
  </style>
</head>

<body>

  <ul class="layim-msgbox" id="LAY_view"></ul>

  <div style="margin: 0 15px;">
    <blockquote class="layui-elem-quote">注意：这些都是模拟数据，实际使用时，需将其中的模拟接口改为你的项目真实接口。
      <br>该模版文件所在目录（相对于layui.js）：/css/modules/layim/html/msgbox.html
    </blockquote>
  </div>

  <textarea title="消息模版" id="LAY_tpl" style="display:none;">
{{# layui.each(d.data, function(index, item){
  if(item.from){ }}
    <li data-uid="{{ item.from }}" data-fromGroup="{{ item.from_group }}">
      <a href="/u/{{ item.from }}/" target="_blank">
        <img src="{{ item.user.avatar }}" class="layui-circle layim-msgbox-avatar">
      </a>
      <p class="layim-msgbox-user">
        <a href="/u/{{ item.from }}/" target="_blank">{{ item.user.username||'' }}</a>
        <span>{{ item.time }}</span>
      </p>
      <p class="layim-msgbox-content">
        {{ item.content }} 
        <span>{{ item.remark ? '附言: '+item.remark : '' }}</span>
      </p>
      <p class="layim-msgbox-btn">
        <button class="layui-btn layui-btn-small" data-type="agree">同意</button>
        <button class="layui-btn layui-btn-small layui-btn-primary" data-type="refuse">拒绝</button>
      </p>
    </li>
  {{# } else { }}
    <li class="layim-msgbox-system">
      <p><em>系统：</em>{{ item.content }}<span>{{ item.time }}</span></p>
    </li>
  {{# }
}); }}
</textarea>

  <!-- 
上述模版采用了 laytpl 语法，不了解的同学可以去看下文档：http://www.layui.com/doc/modules/laytpl.html 
-->


  <script src="../../../../layui.js?v=1"></script>
  <script>
    layui.use(['layim', 'flow'], function () {
      var layim = layui.layim
        , layer = layui.layer
        , laytpl = layui.laytpl
        , $ = layui.jquery
        , flow = layui.flow;

      var cache = {}; //用于临时记录请求到的数据

      //请求消息
      var renderMsg = function (page, callback) {

        //实际部署时，请将下述 getmsg.json 改为你的接口地址

        $.get('getmsg.json', {
          page: page || 2
        }, function (res) {
          console.log(res)
          if (res.code != 0) {
            return layer.msg(res.msg);
          }

          //记录来源用户信息
          layui.each(res.data, function (index, item) {
            cache[item.from] = item.user;
          });

          callback && callback(res.data, res.pages);
        });
      };

      //消息信息流
      flow.load({
        elem: '#LAY_view' //流加载容器
        , isAuto: false
        , end: '<li class="layim-msgbox-tips">暂无更多新消息</li>'
        , done: function (page, next) { //加载下一页
          renderMsg(page, function (data, pages) {
            var html = laytpl(LAY_tpl.value).render({
              data: data
              , page: page
            });
            next(html, page < pages);
          });
        }
      });

      //打开页面即把消息标记为已读
      /*
      $.post('/message/read', {
        type: 1
      });
      */

      //操作
      var active = {
        //同意
        agree: function (othis) {
          var li = othis.parents('li')
            , uid = li.data('uid')
            , from_group = li.data('fromGroup')
            , user = cache[uid];

          //选择分组
          parent.layui.layim.setFriendGroup({
            type: 'friend'
            , username: user.username
            , avatar: user.avatar
            , group: parent.layui.layim.cache().friend //获取好友分组数据
            , submit: function (group, index) {

              //将好友追加到主面板
              parent.layui.layim.addList({
                type: 'friend'
                , avatar: user.avatar //好友头像
                , username: user.username //好友昵称
                , groupid: group //所在的分组id
                , id: uid //好友ID
                , sign: user.sign //好友签名
              });
              parent.layer.close(index);
              othis.parent().html('已同意');


              //实际部署时，请开启下述注释，并改成你的接口地址
              /*
              $.post('/im/agreeFriend', {
                uid: uid //对方用户ID
                ,from_group: from_group //对方设定的好友分组
                ,group: group //我设定的好友分组
              }, function(res){
                if(res.code != 0){
                  return layer.msg(res.msg);
                }
    
                //将好友追加到主面板
                parent.layui.layim.addList({
                  type: 'friend'
                  ,avatar: user.avatar //好友头像
                  ,username: user.username //好友昵称
                  ,groupid: group //所在的分组id
                  ,id: uid //好友ID
                  ,sign: user.sign //好友签名
                });
                parent.layer.close(index);
                othis.parent().html('已同意');
              });
              */

            }
          });
        }

        //拒绝
        , refuse: function (othis) {
          var li = othis.parents('li')
            , uid = li.data('uid');

          layer.confirm('确定拒绝吗？', function (index) {
            $.post('/im/x', {
              uid: uid //对方用户ID
            }, function (res) {
              if (res.code != 0) {
                return layer.msg(res.msg);
              }
              layer.close(index);
              othis.parent().html('<em>已拒绝</em>');
            });
          });
        }
      };

      $('body').on('click', '.layui-btn', function () {
        var othis = $(this), type = othis.data('type');
        active[type] ? active[type].call(this, othis) : '';
      });
    });
  </script>
</body>

</html>